package com.fbd.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.fbd.common.R;
import com.fbd.entity.User;
import com.fbd.service.UserService;
import com.fbd.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user , HttpSession session){
        //获取手机号
        String phone = user.getPhone();
        //判断手机号是否为空
        if(StringUtils.isNotEmpty(phone)){
            //生成随机的验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();

            log.info("验证码是:{}",code);

//            //将验证码放入session中
//            session.setAttribute(phone,code);

            //将验证码放入redis缓存中，设置有效期5分钟
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);

            return R.success("短信发送成功");
        }

        return R.error("短信发送失败");
    }
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){
        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();

//        //从session中获取正确的验证码
//        String attribute = (String)session.getAttribute(phone);

        //从redis中获取验证码
        Object attribute = redisTemplate.opsForValue().get(phone);
        if (attribute!=null && attribute.equals(code)){
            //如果比对成功
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper();
            queryWrapper.eq(User::getPhone,phone);
            User user = userService.getOne(queryWrapper);
            if (user == null){
                //如果没有该用户自动注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                //将用户信息插入数据库中
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            redisTemplate.delete(phone);
            return R.success(user);
        }
        return R.error("验证码错误");
    }
    @PostMapping("/loginout")
    public R<String> loginOut(){
        return R.success("退出成功");
    }
}
